204954 has 8 divisors (see below), whose sum is σ = 409920. Its totient is φ = 68316.

The previous prime is 204947. The next prime is 204973. The reversal of 204954 is 459402.

It is a sphenic number, since it is the product of 3 distinct primes.

204954 is an admirable number.

It is a super-2 number, since 2×204954² = 84012284232, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17074 + ... + 17085.

It is an arithmetic number, because the mean of its divisors is an integer number (51240).

2²⁰⁴⁹⁵⁴ is an apocalyptic number.

204954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204954 is a wasteful number, since it uses less digits than its factorization.

204954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34164.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 204954 is about 452.7184555549. The cubic root of 204954 is about 58.9592747779.

The spelling of 204954 in words is "two hundred four thousand, nine hundred fifty-four".